Sea weather in Niihau in Hawaii All the beach weather in Niihau

All the essential weather information for enjoying the beach in Niihau in Hawaii, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Niihau over the next 7 days?

Discover the best moment to go to the beach in Niihau in Hawaii this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Niihau. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 4 December 202570°F to 77°Fdiscouraged
Friday 5 December 202570°F to 77°Fdiscouraged
Saturday 6 December 202570°F to 77°Fdiscouraged
Sunday 7 December 202576°F to 76°Fdiscouraged
Monday 8 December 202572°F to 77°Fdiscouraged
Tuesday 9 December 202576°F to 76°Fdiscouraged
Wednesday 10 December 202576°F to 76°Frecommended

Sea Weather: Your daily and hourly sea weather in Niihau

Sea weather on Thursday 4 December 2025

On Thursday 4 December 2025, the sun will rise at 07:05 and will set at 17:57 on the beach(es) of Niihau. The outside temperature will be a high of 77°F t and a low of 70°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 18.6mph km/h (with gusts up to 24.9mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)24°C (76°F)23°C (73°F)25°C (76°F)25°C (77°F)
Perceived temperature26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)25°C (77°F)26°C (79°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%73%71%64%65%67%71%73%
Barometric pressure1014 hPa1013 hPa1014 hPa1015 hPa1016 hPa1014 hPa1016 hPa1017 hPa
Cloud cover65%51%28%8%20%11%51%26%
Heat index26°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)25°C (77°F)26°C (79°F)27°C (80°F)
Dew point19°C (67°F)19°C (67°F)19°C (66°F)18°C (64°F)17°C (63°F)16°C (61°F)19°C (66°F)20°C (67°F)
Wind
Speed18km/h (11mph)19km/h (12mph)27km/h (17mph)30km/h (19mph)21km/h (13mph)18km/h (11mph)15km/h (9mph)21km/h (13mph)
Gusts25km/h (15mph)25km/h (16mph)37km/h (23mph)40km/h (25mph)33km/h (21mph)23km/h (14mph)22km/h (14mph)29km/h (18mph)
Direction 122°
ESE
118°
ESE
129°
SE
127°
SE
141°
SE
127°
SE
122°
ESE
79°
E
Wind chill25°C (77°F)25°C (76°F)25°C (76°F)25°C (77°F)24°C (76°F)23°C (73°F)25°C (76°F)25°C (77°F)
Waves
Height1.7m (5.7ft)1.8m (5.8ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (6.1ft)1.8m (6.0ft)1.8m (6.1ft)1.9m (6.1ft)
Direction 314°
NW
311°
NW
311°
NW
311°
NW
311°
NW
316°
NW
320°
NW
318°
NW
Period12.0 sec.12.8 sec.12.9 sec.12.8 sec.13.1 sec.13.5 sec.13.4 sec.13.0 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Friday 5 December 2025

On Friday 5 December 2025, the sun will rise at 07:06 and will set at 17:58 on the beach(es) of Niihau. The outside temperature will be a high of 77°F t and a low of 70°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.8mph km/h (with gusts up to 23mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)21°C (70°F)23°C (73°F)25°C (77°F)25°C (76°F)
Perceived temperature26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)21°C (70°F)25°C (77°F)27°C (80°F)27°C (80°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity71%77%76%74%73%71%75%78%
Barometric pressure1017 hPa1015 hPa1016 hPa1017 hPa1017 hPa1016 hPa1016 hPa1018 hPa
Cloud cover11%35%31%75%78%4%21%53%
Heat index26°C (80°F)27°C (80°F)27°C (80°F)27°C (80°F)24°C (76°F)25°C (77°F)27°C (80°F)27°C (80°F)
Dew point19°C (67°F)20°C (69°F)20°C (68°F)20°C (68°F)16°C (61°F)17°C (63°F)20°C (68°F)21°C (69°F)
Wind
Speed12km/h (7mph)24km/h (15mph)26km/h (16mph)22km/h (14mph)18km/h (11mph)13km/h (8mph)23km/h (14mph)27km/h (17mph)
Gusts16km/h (10mph)33km/h (20mph)35km/h (21mph)31km/h (19mph)20km/h (13mph)27km/h (17mph)32km/h (20mph)37km/h (23mph)
Direction 76°
ENE
117°
ESE
111°
ESE
109°
ESE
90°
E
85°
E
87°
E
94°
E
Wind chill25°C (77°F)25°C (76°F)25°C (77°F)25°C (77°F)21°C (70°F)23°C (73°F)25°C (77°F)25°C (76°F)
Waves
Height2.0m (6.5ft)2.1m (6.8ft)2.1m (6.9ft)2.0m (6.7ft)2.0m (6.5ft)1.9m (6.4ft)1.9m (6.3ft)1.9m (6.2ft)
Direction 320°
NW
320°
NW
321°
NW
322°
NW
326°
NW
326°
NNW
327°
NNW
329°
NNW
Period12.8 sec.12.7 sec.12.7 sec.12.9 sec.13.7 sec.13.8 sec.13.7 sec.13.5 sec.
Significant height0.5m (1.6ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)0.9m (3ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Saturday 6 December 2025

On Saturday 6 December 2025, the sun will rise at 07:07 and will set at 17:58 on the beach(es) of Niihau. The outside temperature will be a high of 77°F t and a low of 70°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 19.3mph km/h (with gusts up to 26.7mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)25°C (76°F)25°C (76°F)24°C (76°F)24°C (74°F)24°C (75°F)21°C (70°F)24°C (76°F)
Perceived temperature27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)25°C (77°F)26°C (78°F)21°C (70°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%74%71%68%66%66%65%66%
Barometric pressure1018 hPa1017 hPa1016 hPa1017 hPa1017 hPa1015 hPa1015 hPa1018 hPa
Cloud cover82%30%15%0%6%13%1%0%
Heat index27°C (80°F)26°C (79°F)26°C (79°F)26°C (79°F)25°C (77°F)26°C (78°F)21°C (70°F)26°C (79°F)
Dew point20°C (69°F)20°C (67°F)19°C (66°F)18°C (65°F)17°C (62°F)17°C (63°F)14°C (58°F)18°C (64°F)
Wind
Speed31km/h (19mph)24km/h (15mph)28km/h (18mph)27km/h (17mph)18km/h (11mph)15km/h (10mph)21km/h (13mph)16km/h (10mph)
Gusts43km/h (27mph)33km/h (20mph)38km/h (23mph)37km/h (23mph)29km/h (18mph)24km/h (15mph)22km/h (14mph)23km/h (14mph)
Direction 94°
E
85°
E
103°
ESE
93°
E
91°
E
101°
E
88°
E
69°
ENE
Wind chill25°C (76°F)25°C (76°F)25°C (76°F)24°C (76°F)24°C (74°F)24°C (75°F)21°C (70°F)24°C (76°F)
Waves
Height2.0m (6.5ft)1.9m (6.3ft)1.9m (6.1ft)1.8m (6.0ft)1.7m (5.5ft)1.6m (5.2ft)1.6m (5.1ft)1.5m (4.9ft)
Direction 331°
NNW
333°
NNW
332°
NNW
334°
NNW
336°
NNW
337°
NNW
336°
NNW
337°
NNW
Period13.3 sec.13.1 sec.12.8 sec.12.7 sec.12.6 sec.12.3 sec.12.1 sec.12.1 sec.
Significant height1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)1.0m (3.3ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Sunday 7 December 2025

On Sunday 7 December 2025, the sun will rise at 07:07 and will set at 17:58 on the beach(es) of Niihau. The outside temperature will be a high of 76°F t and a low of 76°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 24.9mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)
Perceived temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity69%73%70%73%76%74%72%72%
Barometric pressure1017 hPa1016 hPa1016 hPa1018 hPa1017 hPa1015 hPa1016 hPa1017 hPa
Cloud cover2%24%0%76%48%28%27%7%
Heat index26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (79°F)
Dew point18°C (65°F)19°C (66°F)18°C (64°F)19°C (66°F)20°C (67°F)19°C (67°F)19°C (65°F)19°C (66°F)
Wind
Speed11km/h (7mph)17km/h (11mph)15km/h (9mph)14km/h (9mph)28km/h (17mph)19km/h (12mph)19km/h (12mph)12km/h (8mph)
Gusts15km/h (9mph)23km/h (14mph)20km/h (12mph)19km/h (12mph)40km/h (25mph)29km/h (18mph)30km/h (19mph)17km/h (11mph)
Direction 87°
E
76°
ENE
55°
NE
88°
E
101°
ESE
105°
ESE
70°
ENE
72°
ENE
Wind chill24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (76°F)
Waves
Height1.4m (4.5ft)1.3m (4.4ft)1.3m (4.4ft)1.3m (4.4ft)1.4m (4.7ft)1.4m (4.5ft)1.2m (4.1ft)1.2m (4.0ft)
Direction 338°
NNW
340°
NNW
341°
NNW
341°
NNW
340°
NNW
341°
NNW
341°
NNW
343°
NNW
Period12.0 sec.11.8 sec.11.7 sec.11.5 sec.11.3 sec.11.2 sec.11.3 sec.11.5 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)1.2m (3.9ft)1.4m (4.6ft)1.2m (3.9ft)1.0m (3.3ft)1.1m (3.6ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Monday 8 December 2025

On Monday 8 December 2025, the sun will rise at 07:08 and will set at 17:58 on the beach(es) of Niihau. The outside temperature will be a high of 77°F t and a low of 72°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 20.5mph km/h (with gusts up to 28mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature25°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (74°F)24°C (75°F)24°C (74°F)25°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)25°C (78°F)26°C (78°F)25°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity74%71%71%72%69%73%70%72%
Barometric pressure1017 hPa1016 hPa1016 hPa1017 hPa1016 hPa1015 hPa1015 hPa1016 hPa
Cloud cover38%31%27%9%5%70%75%84%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)25°C (78°F)26°C (78°F)25°C (78°F)26°C (79°F)
Dew point20°C (67°F)19°C (66°F)19°C (66°F)19°C (66°F)17°C (63°F)19°C (66°F)18°C (64°F)19°C (66°F)
Wind
Speed33km/h (21mph)30km/h (18mph)28km/h (17mph)28km/h (18mph)26km/h (16mph)27km/h (17mph)22km/h (14mph)28km/h (17mph)
Gusts45km/h (28mph)40km/h (25mph)37km/h (23mph)38km/h (24mph)42km/h (26mph)39km/h (24mph)36km/h (23mph)39km/h (24mph)
Direction 98°
E
98°
E
94°
E
87°
E
94°
E
95°
E
93°
E
96°
E
Wind chill25°C (76°F)24°C (76°F)24°C (76°F)24°C (76°F)24°C (74°F)24°C (75°F)24°C (74°F)25°C (76°F)
Waves
Height1.5m (4.8ft)1.4m (4.5ft)1.4m (4.7ft)1.4m (4.5ft)1.4m (4.6ft)1.7m (5.6ft)1.8m (5.8ft)2.0m (6.4ft)
Direction 342°
NNW
343°
NNW
343°
NNW
310°
NW
307°
NW
310°
NW
308°
NW
310°
NW
Period11.3 sec.11.0 sec.10.9 sec.10.7 sec.10.4 sec.15.5 sec.15.0 sec.14.5 sec.
Significant height1.3m (4.3ft)1.2m (3.9ft)1.3m (4.3ft)1.0m (3.3ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)

Sea weather on Tuesday 9 December 2025

On Tuesday 9 December 2025, the sun will rise at 07:09 and will set at 17:59 on the beach(es) of Niihau. The outside temperature will be a high of 76°F t and a low of 76°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.3mph km/h (with gusts up to 19.3mph). Wave height will be up to 6.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (76°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)
Perceived temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity73%74%74%74%74%73%71%72%
Barometric pressure1016 hPa1015 hPa1014 hPa1015 hPa1014 hPa1013 hPa1013 hPa1014 hPa
Cloud cover86%33%23%36%47%38%31%28%
Heat index26°C (79°F)26°C (79°F)26°C (79°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (79°F)
Dew point19°C (67°F)19°C (67°F)19°C (67°F)19°C (67°F)19°C (66°F)19°C (66°F)19°C (65°F)19°C (66°F)
Wind
Speed23km/h (14mph)23km/h (14mph)22km/h (14mph)21km/h (13mph)18km/h (11mph)17km/h (10mph)14km/h (9mph)14km/h (9mph)
Gusts31km/h (19mph)31km/h (19mph)30km/h (19mph)28km/h (17mph)26km/h (16mph)24km/h (15mph)21km/h (13mph)19km/h (12mph)
Direction 89°
E
96°
E
94°
E
90°
E
107°
ESE
133°
SE
135°
SE
122°
ESE
Wind chill24°C (76°F)24°C (76°F)24°C (76°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (76°F)
Waves
Height2.0m (6.6ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.8m (5.9ft)1.7m (5.6ft)1.7m (5.6ft)1.8m (5.9ft)
Direction 311°
NW
310°
NW
308°
NW
308°
NW
309°
NW
310°
NW
312°
NW
313°
NW
Period14.3 sec.13.8 sec.13.3 sec.13.1 sec.13.2 sec.13.1 sec.13.1 sec.13.0 sec.
Significant height1.1m (3.6ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature24°C (75°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Wednesday 10 December 2025

On Wednesday 10 December 2025, the sun will rise at 07:09 and will set at 17:59 on the beach(es) of Niihau. The outside temperature will be a high of 76°F t and a low of 76°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 11.8mph km/h (with gusts up to 16.2mph). Wave height will be up to 7.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (74°F)24°C (75°F)24°C (75°F)
Perceived temperature26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%73%73%72%72%72%72%72%
Barometric pressure1013 hPa1012 hPa1012 hPa1012 hPa1011 hPa1009 hPa1009 hPa1010 hPa
Cloud cover24%28%24%32%49%46%50%54%
Heat index26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)26°C (78°F)25°C (78°F)26°C (78°F)26°C (78°F)
Dew point19°C (66°F)19°C (66°F)19°C (65°F)19°C (65°F)18°C (65°F)18°C (65°F)19°C (65°F)19°C (66°F)
Wind
Speed12km/h (7mph)10km/h (6mph)12km/h (7mph)13km/h (8mph)14km/h (9mph)14km/h (9mph)17km/h (10mph)19km/h (12mph)
Gusts16km/h (10mph)13km/h (8mph)15km/h (10mph)17km/h (11mph)19km/h (12mph)21km/h (13mph)24km/h (15mph)26km/h (16mph)
Direction 126°
SE
142°
SE
153°
SSE
152°
SSE
170°
S
183°
S
189°
S
183°
S
Wind chill24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (75°F)24°C (74°F)24°C (75°F)24°C (75°F)
Waves
Height1.8m (5.9ft)1.9m (6.2ft)1.9m (6.2ft)2.0m (6.6ft)2.1m (6.9ft)2.3m (7.5ft)2.4m (7.9ft)2.4m (7.9ft)
Direction 314°
NW
313°
NW
314°
NW
314°
NW
318°
NW
326°
NW
324°
NW
320°
NW
Period12.8 sec.12.5 sec.12.3 sec.12.2 sec.13.1 sec.14.6 sec.14.4 sec.14.1 sec.
Significant height0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.8m (2.6ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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